Cap Screw, Aircraft,5305-01-491-3310

NSN 5305-01-491-3310 · NIIN 014913310 · Part number 19H1921

Halp Inc · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 1U965

Government record, cited

NSN 5305-01-491-3310 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-491-3310. Manufacturer of record part number: 19H1921.

Also searched as 5305-01-491-3310 · 5305014913310 · NIIN 014913310 · 01-491-3310 · FSC 5305 Screws · CAGE 1U965 · 19H1921

Nearby stock numbers ← 5305-01-491-3301 Screw, Machine · 5305-01-491-3432 Screw, Cap, Socket Head →

5305-01-491-3310 — Screws

Features

Cap Screw,aircraft, — FSC 5305
1 manufacturer part number on file
Manufacturer of record: Halp Inc

Identification

NSN: 5305-01-491-3310
NIIN: 014913310
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: 19H1921
Manufacturer: Halp Inc

General Description

The Cap Screw,aircraft,, cataloged under National Stock Number 5305-01-491-3310, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Halp Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5305-01-491-3310
Primary Part Number	19H1921
Item Name	Cap Screw,aircraft,
FSC / FSG	5305 / 53 — Screws
Manufacturer	Halp Inc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
19H1921 PRIMARY	Halp Inc (USA)

No interchangeability data on file.

Other items in FSC 5305 — Screws

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5305-00-000-0094

SCREW,CLOSE TOLERANCE

5305-00-000-0094

SCREW,CLOSE TOLERANCE

5305-00-000-0094

SCREW,CLOSE TOLERANCE

5305-00-000-1397

5305-00-000-1397 · Item name not on file

5305-00-000-2625

5305-00-000-2625 · Item name not on file

5305-00-000-3669

5305-00-000-3669 · Item name not on file

5305-00-000-3830

5305-00-000-3830 · Item name not on file

5305-00-000-3831

5305-00-000-3831 · Item name not on file

Frequently Asked Questions

What is NSN 5305-01-491-3310?

NSN 5305-01-491-3310 is a Cap Screw,aircraft,, manufactured by Halp Inc, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-491-3310?

NSN 5305-01-491-3310 has 1 manufacturer part number on file: 19H1921 (Halp Inc).

What are the specifications of 19H1921?

Key specifications for 19H1921: End Item Identification: SPECIAL AIRCRAFT AND ENGINE TOOL AND SUPPORT EQUIPMENT. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-491-3310 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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